Page 807 - Master Catalog 2017, Inch

Face Mills • M660 Series
Recommended Starting Speeds

(Recommended Starting Speeds [SFM] — continued)

Material WK15CM WP40PM TTI25 THM
Group
Face Mills
1 – – – 1165 1025 965 1415 1180 985 – – –
2 – – – 985 845 710 1025 830 710 – – –
3 – – – 905 770 630 1025 830 710 – – –
P
4 – – – 805 670 535 865 710 590 – – –
5 – – – 670 610 535 1045 770 650 – – –
6 – – – 590 450 355 475 355 295 – – –
1 – – – 770 670 610 1570 1025 710 – – –
M 2 – – – 690 590 490 1060 670 475 – – –
3 – – – 510 450 355 1045 690 475 – – –
1 1655 1520 1340 – – – 725 610 510 475 355 295
K 2 1320 1165 1080 – – – 590 475 415 490 395 275
3 1105 985 905 – – – 475 415 335 510 370 235
1 – – – – – – – – – 3540 2365 1970
N 2 – – – – – – – – – 2695 1830 1520
3 – – – – – – – – – 1770 1105 785
1 – – – 155 140 120 – – – – – –
2 – – – 155 140 120 – – – – – –
S
3 – – – 200 155 120 – – – – – –
4 – – – 260 200 140 – – – – – –
1 – – – – – – – – – – – –
H 2 – – – – – – – – – – – –
3 – – – – – – – – – – – –
NOTE: FIRST choice starting speeds are in bold type.
As the average chip thickness increases, the speed should be decreased.

Recommended Starting Feeds

„ Recommended Starting Feeds [IPT] Light General Heavy

Machining Purpose Machining

Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
Insert Insert
Geometry 5% 10% 20% 30% 40–100% Geometry
...20 .007 .026 .047 .005 .018 .033 .004 .014 .025 .003 .012 .022 .003 .011 .020 ...20
…21 .010 .029 .049 .007 .021 .035 .005 .016 .026 .005 .014 .023 .004 .013 .021 …21
…31 .010 .030 .050 .007 .022 .036 .006 .016 .027 .005 .014 .023 .004 .013 .021 …31
NOTE: Use “Light Machining” value as starting feed rate.

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